Results 1 to 10 of about 2,232 (133)

Stable isotope tempestology of tropical cyclones across the North Atlantic and Eastern Pacific Ocean basins

open access: yesAnnals of the New York Academy of Sciences, Volume 1543, Issue 1, Page 145-165, January 2025.
Tropical cyclones (TCs) are one of the major natural hazards to island and coastal communities and ecosystems. However, isotopic compositions of TC‐derived precipitation (P) in surface water (SW) and groundwater (GW) reservoirs are still lacking. We tested the three main assumptions of the isotope storm “spike” hypothesis (sudden spikes in isotopic ...
Ricardo Sánchez‐Murillo   +38 more
wiley   +1 more source

Evaluación de la toxicidad en aguas residuales industriales tratadas por procesos biológicos utilizando bacterias luminiscentes.

open access: yesActualidades Biológicas, 2016
La toxicidad de las aguas residuales provenientes de empresas de procesamiento de productos cárnicos fue evaluada antes y después del tratamiento usando un reactor secuencial por lotes (SBR). Las pruebas de toxicidad fueron evaluadas mediante el análisis
Diana C. Rodríguez-Loaiza   +2 more
doaj   +1 more source

A paradox of public engagement: The discursive politics of environmental justice in Canada's Chemical Valley

open access: yesPolitics &Policy, Volume 52, Issue 6, Page 1246-1265, December 2024.
Abstract For over a decade, members of the Aamjiwnaang Nation have continued to fight for the recognition and redress of their unique environmental health concerns in a region known as Canada's Chemical Valley. From a critical policy studies lens, this article addresses the discursive policy challenges faced by those who are most affected by the toxic ...
Sarah Marie Wiebe
wiley   +1 more source

High‐Frequency Isotope Compositions Reveal Different Cloud‐Top and Vertical Stratiform Rainfall Structures in the Inland Tropics of Brazil

open access: yesGeophysical Research Letters, Volume 51, Issue 15, 16 August 2024.
Abstract Understanding the key drivers controlling rainfall stable isotope variations in inland tropical regions remains a global challenge. We present novel high‐frequency isotope data (5–30 min intervals) to disentangle the evolution of six stratiform rainfall events (N = 112) during the passage of convective systems in inland Brazil (September 2019 ...
V. Santos   +3 more
wiley   +1 more source

Metodología para la localización de estaciones de monitoreo de material particulado a escala local (0.5 a 4.0 Km) en la ciudad de Santa Marta

open access: yesGestión y Ambiente, 2006
Con el objetivo de determinar los puntos más representativos donde se pueda medir en forma confiable la variación de la concentración de partículas suspendidas totales (PST) en la ciudad de Santa Marta, se adelantó un estudio que involucró mediciones de ...
Francisco Fernando García R.   +2 more
doaj  

Evaluación de las condiciones de mezcla y su influencia sobre el cloro residual entanques de compensación de un sistema de distribución de agua potable

open access: yesIngeniería y Ciencia, 2012
Se llevó a cabo una evaluación a escala real de las condiciones de mezcla y su influencia sobre la calidad del agua en un tanque de compensación del sistema de distribución de agua potable de la ciudad de Cali (Colombia).
C Montoya   +4 more
doaj   +1 more source

Contaminación ambiental y alergia

open access: yesRevista Alergia México, 2022
La contaminación del aire, el cambio climático y la reducción de la diversidad biológica son amenazas importantes para la salud humana. En las últimas décadas se ha observado un aumento en las enfermedades alérgicas incluyendo asma y rinoconjuntivitis ...
Sandra Nora González-Díaz   +3 more
doaj   +1 more source

Report on the establishment of the safe shelf life of certain ready‐to‐eat foods, sliced and prepacked in retail, in relation to the risk of Listeria monocytogenes

open access: yesFood Risk Assess Europe, Volume 2, Issue 3, July 2024.
Abstract The Barcelona Public Health Agency (ASPB) asked the Scientific Advisory Committee on Food Safety for an opinion on the safe shelf life of Listeria monocytogenes in certain products (cheeses, cooked meats, including pâtés, and cured meats) sliced and prepackaged prior to retail sale.
Sara Bover Cid   +6 more
wiley   +1 more source

Particulate Carbon, a Significant Contributor to The Visibility Reduction of Mexico City

open access: yesGeofísica Internacional, 1988
Se determinaron las concentraciones de carbono elemental total (Ct) en partículas suspendidas (PST), incluyendo las fracciones de carbono orgánico volátil (C0 v) y carbón libre (Cb) "carbón negro" en 92 filtros muestreados durante 1982, utilizando un ...
H. Bravo A.   +5 more
doaj   +1 more source

Host‐plant sex and phenology of Buddleja cordata Kunth interact to influence arthropod communities

open access: yesEcology and Evolution, Volume 14, Issue 6, June 2024.
We present the results of an empirical study that evaluates the effect of plant sex on its associated arthropod communities. Our results indicate that plant sex has a seasonal and alternating effect on the arthropod community diversity—male plants hosting a more diverse community of arthropods during the flowering season, while female plants do during ...
I. González‐Ramírez   +4 more
wiley   +1 more source

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